Finding the Fourth Proportional to 3,221,418.47, 4,832,156.87 and 977,556.47
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Solution
The fourth proportional to 3,221,418.47, 4,832,156.87 and 977,556.47 is: 1,466,343.56
Step by Step Solution
- Step 1: Write the proportion equation
3,221,418.47 : 4,832,156.87 = 977,556.47 : x - Step 2: Convert to fraction form
3,221,418.47/4,832,156.87 = 977,556.47/x - Step 3: Cross multiply
3,221,418.47x = 4,832,156.87 × 977,556.47 - Step 4: Simplify right side
3,221,418.47x = 4,723,706,219,516.06 - Step 5: Solve for x
x = 4,723,706,219,516.06/3,221,418.47 - Step 6: Final answer
x = 1,466,343.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.